andrew wood is the green beret who was in charge of security at the consulate and he told cbs news part of his job was to meet with ambassador chris stevens every day to discuss security and he said it's unbelievable to him the state department decreased security, after he says he showed them how dangerous the environment was on the ground. his testimony won't bring back the four americans who were murdered. but the former u.s. ambassador to the u.n. john bolton says the state department has a chance to listen and learn and save lives in the future. >> the state department shouldn't wait for the conclusion of its own board, i think there ought to be an ongoing process now to try and enhance the security of diplomatic and other official personnel in the middle east and elsewhere. >> reporter: representatives from the bureau of diplomatic security and the state department are also expected to speak at wednesday's hearing. in washington, peter doocy, fox news. >>> sports is up next. unlikely hero emerges for the nats in their first playoff game in franchise history. scott smith is on deck.